Brendan Rodgers has revealed that the club must have a major inquest after their shocking defeat during Champions League qualifying.
Celtic lost to Kairat on penalties as Rodgers’ side were unable to score a goal in 210 minutes of play.
During the shootout, Adam Idah, Luke McCowan, and Daizen Maeda all missed, dropping the Scottish outfit out of what would have been a £40million purse for entering the league phase.
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Fans were left fuming at the result and blamed it on a lack of summer signings. After the game, Rodgers stated: “Listen, it's very frustrating. We all know where we want to get to.
Brendan Rodgers was left frustrated after the Celtic loss
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“We showed last year with the strides I felt we took. But we have to build on that. The last thing you want to be in football is to manufacture your own stress.
“That's what you don’t want to be doing. We now have to look at where we're at as a football club and decide what way we want to go.”
The team struggled to make chances through the two-legged playoff, but Rodgers revealed that his side doesn’t have what it takes at the moment even if they had won.
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He continued: “We had a hint of what we could do at that level, and with a great respect, this was a great opportunity for us to get back there.
“Sadly, there was plenty of endeavour, plenty of honesty, but the Champions League is a wee bit more than that.
"At this moment in time, we can still have a very good season. The Europa League, some would say we deserve to be in that this year.
“But for me, we will go in with this group of players, see what the remaining days will bring, and then we'll go in with the game at the weekend.”
The Celtic board will now come under extreme scrutiny after the defeat sees the Scottish side drop into the Europa League.
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Celtic have now been demoted to the Europa League after Brendan Rodger's side couldn't find a winning goal
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Rodgers, addressing their underwhelming summer, stated: “I always think that investment is great, but it has to be a timely investment.
“It has to be at the right time. I think at this moment in time, we've just lost a game. Like I say, this group of players have given everything. We're obviously being limited to what we could do in the game at the moment, but like I said, they gave everything.
“We just couldn't find good moments of quality to break through. We have to accept that.
“It was a real low-quality game, if I'm honest. Obviously the pitch was awful, but still we had opportunities to score.
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“It just wasn't a really good level. We can have no excuses from the other two games. We've defended well enough, been strong and resilient in all those things we needed to be.
“But they just lacked that quality and that precision at the top end of the field. I really feel for the supporters who travelled all the way to be here, the effort and commitment that they have shown to be here.
Celtic were left devastated after the loss
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Brendan Rodgers claimed his Celtic side lacked the quality needed to progress
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“We're disappointed for them as well as ourselves, because the Champions League is a wonderful competition.”
Rodgers will now have to turn his attention to the Europa League as the Scottish champions look to find European success.